Percent Word Problems

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

Front

How do you calculate the percentage of a part compared to a whole?

Back

To calculate the percentage of a part compared to a whole, use the formula: (Part/Whole) x 100. For example, if you have 20 out of 50, the percentage is (20/50) x 100 = 40%.

Front

What does it mean to find a percentage of a number?

Back

Finding a percentage of a number means calculating how much that percentage represents in terms of the number. For example, to find 20% of 50, you calculate (20/100) x 50 = 10.

Front

If a dress is on sale for $20 and that is 80% of the original price, how do you find the original price?

Back

To find the original price, divide the sale price by the percentage in decimal form: Original Price = Sale Price / (Percentage/100). So, Original Price = 20 / 0.8 = $25.

Front

What is the formula to find the total when given a part and its percentage?

Back

The formula is: Total = Part / (Percentage/100). For example, if 30 is 60% of a total, then Total = 30 / 0.6 = 50.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100. For example, 1/4 = (1 ÷ 4) x 100 = 25%.

Front

What is the percentage increase?

Back

Percentage increase measures how much a value has grown compared to its original value. It is calculated using the formula: ((New Value - Original Value) / Original Value) x 100.

Front

What is the percentage decrease?

Back

Percentage decrease measures how much a value has reduced compared to its original value. It is calculated using the formula: ((Original Value - New Value) / Original Value) x 100.

Front

If a team won 3 out of 15 games, how do you find the winning percentage?

Back

To find the winning percentage, use the formula: (Wins/Total Games) x 100. So, Winning Percentage = (3/15) x 100 = 20%.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, use the formula: (Part/Whole) x 100. For example, to find what percent 30 is of 50, calculate (30/50) x 100 = 60%.